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<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>15-视频</title>
</head>
<body>
    <h1>视频标签video</h1>
    <!-- autoplay会被浏览器禁用，只有开启静音muted才有用 -->
    <video src="./media/宣传视频.mp4" controls loop muted autoplay></video>
</body>
</html>